package com.ccpjcmjs.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.mgt.DefaultSecurityManager;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {

    //ShiroFilterFactoryBean  第三步
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultSecurityManager defaultSecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultSecurityManager);
        //添加shiro的内置过滤器
        /*
            anon: 无需认证就可以访问
            authc:  必须认证了才能访问
            user: 必须拥有 记住我 才能访问
            perms: 拥有对某个资源的权限才能访问
            role：拥有某个角色权限才能访问
        */
        //拦截
        Map<String, String> filterMap = new LinkedHashMap<>();

        //授权 ,正常的情况下，没有授权会跳转的未授权界面
        filterMap.put("/user/add","perms[user:add]");
        filterMap.put("/user/update","perms[user:update]");
        //未授权页面
        bean.setUnauthorizedUrl("/notauth");

//        filterMap.put("/user/add","authc");
//        filterMap.put("/user/update","authc");
        filterMap.put("/user/*","authc");

        bean.setFilterChainDefinitionMap(filterMap);

        bean.setLoginUrl("/toLogin");



        return bean;
    }

    //DefaultWebSecurityManager  第二步
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultSecurityManager(@Qualifier("userRealm") UserRealm userRealm){  //@Qualifier("userRealm") 绑定userRealm()
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联UserRealm
        securityManager.setRealm(userRealm);

        return securityManager;
    }

    //创建 realm 对象 ,须要自定义类  第一步
    @Bean(name = "userRealm")
    public UserRealm userRealm(){
        return new UserRealm();
    }

    //整合ShiroDialect： 用来整合shiro thymeleaf

    @Bean
    public ShiroDialect getShiroDialect(){
        return new ShiroDialect();
    }
}
